Mammoth Coal safety activity
MSHA violations, accident reports and inspections across the current mine portfolio.
Safety activity
Escapeways; bituminous and lignite mines.
ROAD FORK #52 MINE · 460952230 CFR 75.380(d)(7)(vii)(B) · $4,383.00 proposed penalty
Permanent splicing of trailing cables.
ROAD FORK #52 MINE · 460952230 CFR 75.604(b) · $1,550.00 proposed penalty
Regular Safety and Health Inspection
ROAD FORK #52 MINE · 4609522599.5 on-site hours reported
Maintenance of belt conveyors and belt conveyor entries.
ROAD FORK #52 MINE · 460952230 CFR 75.1731(a) · $151.00 proposed penalty
Accumulation of combustible materials.
ROAD FORK #52 MINE · 460952230 CFR 75.400 · $288.00 proposed penalty
Accumulation of combustible materials.
ROAD FORK #52 MINE · 460952230 CFR 75.400 · $432.00 proposed penalty
Accumulation of combustible materials.
ROAD FORK #52 MINE · 460952230 CFR 75.400 · $642.00 proposed penalty
Condition and examination of firefighting equipment.
ROAD FORK #52 MINE · 460952230 CFR 75.1100-3 · $398.00 proposed penalty
Roof control plan.
ROAD FORK #52 MINE · 460952230 CFR 75.220(a)(1) · $697.00 proposed penalty
Spot Inspections
ROAD FORK #52 MINE · 4609522103(i) · 16.5 on-site hours reported
Methane monitors.
ROAD FORK #52 MINE · 460952230 CFR 75.342(a)(4) · $366.00 proposed penalty
Mine ventilation plan; submission and approval.
ROAD FORK #52 MINE · 460952230 CFR 75.370(a)(1) · Significant and substantial (S&S) · $6,540.00 proposed penalty
Mine ventilation plan; submission and approval.
ROAD FORK #52 MINE · 460952230 CFR 75.370(a)(1) · Significant and substantial (S&S) · $6,540.00 proposed penalty
Spot Inspection
ROAD FORK #52 MINE · 46095226.0 on-site hours reported
Verbal Hazard Complaint Inspections
ROAD FORK #52 MINE · 46095225.5 on-site hours reported
Methane monitors.
ROAD FORK #52 MINE · 460952230 CFR 75.342(a)(4) · $366.00 proposed penalty
Actions for excessive methane.
ROAD FORK #52 MINE · 460952230 CFR 75.323(a) · $4,047.00 proposed penalty
Handling of materials
Mammoth Coal Processing Pl & Riv Tipple · 4603317Days restricted activity only
Accident narrative
Employee was assisting in the removal of a steel beam. While preparing to cut a beam another employee in the man basket struck a piece of steel causing it to fall on the employees leg. EE has a small fracture on EE's patella as well as a laceration above EE's knee. EE is on modified duty.
Spot Inspections
ROAD FORK #52 MINE · 4609522103(i) · 18.0 on-site hours reported
Roof control plan.
ROAD FORK #52 MINE · 460952230 CFR 75.220(a)(1) · $3,184.00 proposed penalty
Preshift examination at fixed intervals.
ROAD FORK #52 MINE · 460952230 CFR 75.360(f) · $336.00 proposed penalty
Protection from falls of roof, face and ribs.
ROAD FORK #52 MINE · 460952230 CFR 75.202(a) · $642.00 proposed penalty
Roof control plan.
ROAD FORK #52 MINE · 460952230 CFR 75.220(a)(1) · $336.00 proposed penalty
Permanent splicing of trailing cables.
ROAD FORK #52 MINE · 460952230 CFR 75.604(b) · $3,448.00 proposed penalty
Spot Inspections
ROAD FORK #52 MINE · 4609522103(i) · 12.0 on-site hours reported
Sources and definitions
MSHA Violations (issue date), Accidents (accident date) and Inspections (begin date).
Violation titles use current CFR headings to identify the cited rule; they are not the inspector’s account of what happened.
Status is from the current MSHA Mines snapshot, not the selected reporting period. Closed records can retain their last reported controller/operator.
Counts describe published rows, including contractor records; accident records are not distinct incidents or numbers of people injured.
Zero means no matching records in the imported sources, not proof of no events. Historical coverage differs by source; absence before a source begins reporting is not a zero incident rate. Invalid or absent dates and records after the snapshot are excluded.
S&S means SIG_SUB=Y. Fatality records use DEGREE_INJURY_CD=01. Proposed penalties are not final assessed or paid amounts; missing dollar values are omitted.
Inspection hours are SUM_TOTAL_ON_SITE_HOURS attributed to the inspection start date, without supervisor/trainee hours. Missing hours are omitted; a started inspection may still be open.
Portfolio totals use current mine membership, including events before the current owner or operator's tenure.